  <header class="main-header">
    <!-- 头部标志 -->
    <a href="" data-toggle="offcanvas" class="logo">
      <!-- 缩小之后为 “渡学” -->
      <span class="logo-mini"><b style="font-family: 微软雅黑">备课</b></span>
      <!-- 展开之后为 “渡学教育” -->
      <span class="logo-lg">
        <!--<img style="float: left;" src="Images/images/logo.png">-->
        <div class="logo-lg-img"></div>
      </span>
    </a>
    <!-- 头部导航部分 -->
    <nav class="navbar navbar-static-top" role="navigation">
      <!-- 头部箭头 -->
      <a class="nav-browse-history" (click)="Chevron_down()">
        <i class="fa fa-chevron-down"></i>
        <span style="font-family: 微软雅黑">最近浏览</span>
      </a>
      <ul class="nav-browse-history-ul">
        <li *ngFor="let hero of chevron_down;let j = index">
          <span class="{{hero.class}}">{{hero.name}}</span>
          <em (click)="topDelete(j)"><img width="18px" src="Images/images/close.png"></em>
        </li>
      </ul>
      <!-- 头部各种图标部分 -->
      <div class="navbar-custom-menu">
        <ul class="nav navbar-nav">
          <!-- 信息图标部分-->
          <li class="dropdown messages-menu">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown">
              <i class="fa fa-envelope-o"></i>
              <span class="label label-success">5</span>
            </a>
            <ul class="dropdown-menu">
              <li class="header">You have 4 messages</li>
              <li>
                <ul class="menu">
                  <li>
                    <a href="#">
                      <h4>
                        Support Team
                        <small><i class="fa fa-clock-o"></i> 5 mins</small>
                      </h4>
                      <p>Why not buy a new awesome theme?</p>
                    </a>
                  </li>
                </ul>
              </li>
              <li class="footer"><a href="#">See All Messages</a></li>
            </ul>
          </li>
          <!-- 提醒图标部分 -->
          <li class="dropdown notifications-menu">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown">
              <i class="fa fa-bell-o"></i>
              <span class="label label-warning">10</span>
            </a>
            <ul class="dropdown-menu">
              <li class="header">You have 10 notifications</li>
              <li>
                <ul class="menu">
                  <li>
                    <a href="#">
                      <i class="fa fa-users text-aqua"></i> 5 new members joined today
                    </a>
                  </li>
                </ul>
              </li>
              <li class="footer"><a href="#">View all</a></li>
            </ul>
          </li>
          <!-- 标识图标部分 -->
          <li class="dropdown tasks-menu">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown">
                <i class="fa fa-flag-o"></i>
                <span class="label label-danger">9</span>
            </a>
            <ul class="dropdown-menu">
              <li class="header">You have 9 tasks</li>
              <li>
                <ul class="menu">
                  <li>
                    <a href="#">
                      <h3>
                        Design some buttons
                        <small class="pull-right">20%</small>
                      </h3>
                      <div class="progress xs">
                        <div class="progress-bar progress-bar-aqua" style="width: 20%" role="progressbar" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100">
                          <span class="sr-only">20% Complete</span>
                        </div>
                      </div>
                    </a>
                  </li>
                </ul>
              </li>
              <li class="footer">
                <a href="#">View all tasks</a>
              </li>
            </ul>
          </li>
          <!-- 管理员信息部分 -->
          <li class="dropdown user user-menu">
            <a href="" class="dropdown-toggle" data-toggle="dropdown">
              <i class="fa fa-user-o fa-x"></i> 
              <span class="hidden-xs">超级管理员</span>
            </a>
            <ul class="dropdown-menu">
              <li class="user-header">
                <i style="float: left;" class="fa fa-user-o fa-5x"></i> 
                <span style="float: left;padding-left: 20px;margin-top: -10px">
                <h3>管理员名字</h3>
                <small>部门</small>
                </span>
              </li>
              <li class="user-body">
                <div class="row">
                  <div class="col-xs-6 text-center">
                    <a style="color: #6d6e71;" href="#" class="btn btn-default btn-flat">个人信息</a>
                  </div>
                  <div class="col-xs-6 text-center">
                    <a style="color: #6d6e71;" class="btn btn-default btn-flat" href="#">联系人</a>
                  </div>
                </div>
              </li>
              <li class="user-footer">
                <div class="pull-left">
                  <a style="color: #6c6d70;" href="#">更改密码</a>
                </div>
                <div class="pull-right">
                  <a style="color: #6c6d70;" href="#">退出</a>
                </div>
              </li>
            </ul>
          </li>
          <!-- 最右侧设置图标部分 -->
          <li (click)="controlSidebar()">
            <a style="cursor: pointer;" data-toggle="control-sidebar">
              <i class="fa fa-gears"></i>
            </a>
          </li>
        </ul>
      </div>
    </nav>
  </header>
  <!-- ++++++++左侧菜单+++++++++ -->
  <aside class="main-sidebar">
    <section class="sidebar">
      <!-- 左侧主菜单 -->
      <ul class="sidebar-menu">
        <li title="展开">
          <!-- 头部点击折叠图标 -->
          <a href="#" class="sidebar-toggle" data-toggle="offcanvas"> 
            <i class="fa fa-bars"></i> 
          </a>
        </li>
        <li title="新建" class="new" (click)="onClickMeTwo()">
          <a routerLink="">
              <i class="fa fa-plus"></i>
              <span>新建</span>
          </a>
        </li>    
      </ul>
      <ul class="sidebar-menu scroll-sidebar-menu">
        <li title="{{hero.name}}" *ngFor="let hero of heroes1;let k = index;">
          <a routerLink="{{hero.href}}" (click)="click_add(k)">
             <i class="fa {{hero.class}}"></i>
             <span>{{hero.name}}</span>
          </a>
        </li>
      </ul>
      <ul class="sidebar-menu">
        <li title="更多" class="sidebar-menu-li" (click)="onClickMe()">
          <a>
            <span>更多</span>
            <i class="fa fa-chevron-right"></i>
          </a>
        </li>
      </ul>
    </section>
  </aside>
  <div class="click-display click-display1" id="newConstruction">
    <div class="div-new">
      <span class="hidden-span" (click)="onClickMeTwo()">
        <!--<img width="18px" src="Images/images/close.png">-->
        <div class="div-close"></div>
      </span>
    </div>
    <div class="form-group div-section">
      <input type="text" class="form-control" id="exampleInputEmail1" placeholder="搜索应用商店">
    </div>
    <div style="margin-left:5%" class="btn-group">
      <a class="btn dropdown-toggle" href="#">应用商店</a>
    </div>
    <ul class="hidden-ul">
      <li>
        <i class="fa i1 fa-group"></i>
          <span>虚拟机</span>
        <i style="float: right;margin-right: 20px;" class="fa fa-chevron-right"></i>
      </li>
      <li>
        <i class="fa i1 fa-group"></i>
        <span>网络</span>
        <i style="float: right;margin-right: 20px;" class="fa fa-chevron-right"></i>
      </li>
      <li>
        <i class="fa i1 fa-group"></i>
        <span>Web+移动</span>
        <i style="float: right;margin-right: 20px;" class="fa fa-chevron-right"></i>
      </li>
      <li>
        <i class="fa i1 fa-group"></i>
        <span>物联网</span>
        <i style="float: right;margin-right: 20px;" class="fa fa-chevron-right"></i>
      </li>
    </ul>          
    <div class="div-new-foot"></div>
  </div>
  <div class="click-display click-display1" id="more">
    <div class="click-display-header">
      <span class="hidden-span" (click)="onClickMe()">
        <!--<img width="18px" src="Images/images/close.png">-->
        <div class="div-close"></div>
      </span>
    </div>
    <div class="form-group click-display-header2">
      <input type="text" class="form-control" id="exampleInputEmail1" placeholder="筛选器">
    </div>
    <div style="margin-left: 5%" class="btn-group">
      <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">按名称<span class="caret"></span>
      </a>
      <ul class="dropdown-menu" role="menu">
        <li><a href="#">按类别</a></li>
        <li><a href="#">按名称</a></li>
      </ul>
    </div>
    <ul class="hidden-ul">
      <li><span style="padding-left: 10px;">企业基本信息</span></li>
      <li *ngFor="let hero of display_data;let i = index;"(mouseover)="bottomSurface(i)">
        <i class="fa i1 {{hero.class}}"></i>
        <span>{{hero.name}}</span>
        <i (click)="clickLocation(i)" class="fa fa-star {{hero.style}}"></i>
      </li>
    </ul>          
    <div class="click-display-foot">
      <span></span>
    </div>
  </div>
  <!-- +++++++++下面是中间内容部分+++++++ -->
  <div class="content-wrapper">
    <!-- 主体的信息部分 -->
    <router-outlet></router-outlet>
  </div>
  <!-- +++++++++++右边侧边栏部分+++++++++ -->
  <aside class="control-sidebar control-sidebar-dark">
    <ul class="nav nav-tabs nav-justified control-sidebar-tabs">
      <li class="active"><a href="#control-sidebar-home-tab" data-toggle="tab"><i class="fa fa-home"></i></a></li>
      <li><a href="#control-sidebar-settings-tab" data-toggle="tab"><i class="fa fa-gears"></i></a></li>
    </ul>
    <!-- 右边侧边栏下半部分 -->
    <div class="tab-content">
      <div class="tab-pane active" id="control-sidebar-home-tab">
        <h3 class="control-sidebar-heading">最近的活动</h3>
        <ul class="control-sidebar-menu">
          <li>
            <a href="javascript::;">
              <i class="menu-icon fa fa-birthday-cake bg-red"></i>

              <div class="menu-info">
                <h4 class="control-sidebar-subheading">兰登的生日</h4>

                <p>4月23-24日</p>
              </div>
            </a>
          </li>
        </ul>
        <h3 class="control-sidebar-heading">任务进展</h3>
        <ul class="control-sidebar-menu">
          <li>
            <a href="javascript::;">
              <h4 class="control-sidebar-subheading">
                自定义模板设计
                <span class="pull-right-container">
                  <span class="label label-danger pull-right">70%</span>
                </span>
              </h4>
              <div class="progress progress-xxs">
                <div class="progress-bar progress-bar-danger" style="width: 70%"></div>
              </div>
            </a>
          </li>
        </ul>
      </div>
      <div class="tab-pane" id="control-sidebar-stats-tab">数据选项卡内容</div>
      <!-- 自定义设置部分 -->
      <div class="tab-pane" id="control-sidebar-settings-tab">
        <form method="post">
            <h3 class="control-sidebar-heading">一般设置</h3>
            <div class="form-group">
              <label class="control-sidebar-subheading">
                选择主题
              </label>
              <div style="margin-top: 10%">
                  <div class="color-span" name='1' style="background: #3284ae;"></div>
                  <div class="color-span" name='2' style="background: #fff"></div>
                  <div class="color-span" name='3' style="background: #333"></div>
              </div>
            </div>
        </form>
      </div>
    </div>
  </aside>
  <!-- ================================== -->
  <div class="control-sidebar-bg"></div>